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crnigad
Posts:
1
Registered:
11/23/12


What is arcch(x) and arctg(x) ???
Posted:
Nov 23, 2012 8:17 AM


is arcch(x) arcus cosinus hyperbolic , and arctg(x) arcus tangens?
arctg can be arcus cotanges?! :D
i hate these arcus...


Date

Subject

Author

11/23/12


crnigad

11/26/12


IV


